LTC3826 Linear Technology, LTC3826 Datasheet - Page 28

• Manufacturer Part Number: LTC3826
• Description: 2-Phase Synchronous Step-Down Controller
• Manufacturer: Linear Technology

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LTC3826
2. Are the signal and power grounds kept separate? The
APPLICATIONS INFORMATION
28
combined IC signal ground pin and the ground return
of C
minals. The path formed by the top N-channel MOSFET,
Schottky diode and the C
INTVCC
R
must return to the combined C
IN
V
IN
C
IN
BOLD LINES INDICATE
HIGH SWITCHING
CURRENT. KEEP LINES
TO A MINIMUM LENGTH.
IN
capacitor should have short
Figure 12. Branch Current Wavefoms
OUT
SW1
SW2
D1
D2
(–) ter-
L1
L2
leads and PC trace lengths. The output capacitor (–)
terminals should be connected as close as possible
to the (–) terminals of the input capacitor by placing
the capacitors next to each other and away from the
Schottky loop described above.
R
R
SENSE1
SENSE2
C
C
OUT1
OUT2
V
V
OUT1
OUT2
3826 F12
R
R
L1
L2
3826fc